The present study aimed to evaluate the test performance of the VST for the risk of future dementia development in comparison to established dementia screening tests, the HVLT and the SF-EMSE. The results of the study demonstrated that slower visual processing speeds, whether in simple or complex tasks, were linked to a higher risk of developing dementia in the future. While, the VSTs demonstrated low sensitivity and specificity in identifying those people who later at follow-up received a diagnosis of dementia in this cohort, the study also found that the HVLT and SF-EMSE were not highly sensitive or specific to identify future dementia risk.
It is important to acknowledge the limitations of this study. One such limitation concerns healthy volunteer bias and attrition which affect almost all such studies28. It is possible that individuals with (cognitive) disabilities may not have…
